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2,6-Di-tert-butyl-p-cresol

Synonyms & Trade Names
BHT, Butylated hydroxytoluene, Dibutylated hydroxytoluene, 4-Methyl-2,6-di-tert-butyl phenol
CAS No.
128-37-0
RTECS No.
GO7875000
DOT ID & Guide
Formula
[C(CH₃)₃]₂CH₃C₆H₂OH
Conversion
IDLH
N.D.
See: IDLH INDEX
Exposure Limits
NIOSH REL
TWA 10 mg/m3
OSHA PEL
none See Appendix G
Measurement Methods
NIOSH P&CAM226 (II-1);
OSHA PV2108
See: NMAM or OSHA Methods
Physical Description
White to pale-yellow, crystalline solid with a slight, phenolic odor. [food preservative]
Molecular Weight
220.4
Boiling Point
509°F
Melting Point
158°F
Solubility
0.00004%
Vapor Pressure
0.01 mmHg
Ionization Potential
?
Specific Gravity
1.05
Flash Point
261°F
Upper Exposive Limit
?
Lower Explosive Limit
?
Class IIIB Combustible Liquid: Fl.P. at or above 200°F.
Incompatibilities & Reactivities
Oxidizers
Exposure Routes
inhalation, ingestion, skin and/or eye contact
Symptoms
irritation eyes, skin; In Animals: decreased growth rate, increased liver weight
Target Organs
Eyes, skin
Personal Protection/Sanitation
(See protection codes)
Skin:Prevent skin contact
Eyes:Prevent eye contact
Wash skin:When contaminated
Remove:When wet or contaminated
Change:Daily
First Aid
(See procedures)
Eye:Irrigate immediately
Skin:Soap wash
Breathing:Fresh air
Swallow:Medical attention immediately
Respirator Recommendations

Not available.

Important additional information about respirator selection

See also
INTRODUCTION   ICSC CARD: 0841
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